21893168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6547}}^1$

素因数の和:6585

約数の個数: 40

約数和(自身を含む): 48717120

約数和(自身を除く): 26823952

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6547, 13094, 26188, 52376, 72017, 104752, 124393, 144034, 248786, 288068, 497572, 576136, 995144, 1152272, 1368323, 1990288, 2736646, 5473292, 10946584, 21893168]

約数ペア:

[(1, 21893168), (2, 10946584), (4, 5473292), (8, 2736646), (11, 1990288), (16, 1368323), (19, 1152272), (22, 995144), (38, 576136), (44, 497572), (76, 288068), (88, 248786), (152, 144034), (176, 124393), (209, 104752), (304, 72017), (418, 52376), (836, 26188), (1672, 13094), (3344, 6547)]